Least Common Multiple (LCM) of 127 and 55
The least common multiple (LCM) of 127 and 55 is 6985.
What is the Least Common Multiple (LCM)?
The LCM of two integers is the smallest positive integer that is divisible by both numbers. It is often used to find common denominators and solve problems involving periodic events.
Formula for LCM
The LCM of two numbers can be calculated using their GCD:
LCM(a, b) = |a × b| ÷ GCD(a, b)
How to Calculate the LCM of 127 and 55?
First, calculate the GCD of 127 and 55 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 127 ÷ 55 = 2 remainder 17 |
| 2 | 55 ÷ 17 = 3 remainder 4 |
| 3 | 17 ÷ 4 = 4 remainder 1 |
| 4 | 4 ÷ 1 = 4 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 47 and 166 | 7802 |
| 134 and 114 | 7638 |
| 135 and 123 | 5535 |
| 151 and 90 | 13590 |
| 129 and 81 | 3483 |